| 摘要 |
A jacket for one or more printed sheets, such as photographic prints, has a holder having at least one pocket. The pocket defines a space for the printed sheet. The holder has a transparent ink receptive layer exterior to the space. The ink receptive layer can have a deposit of invisible ink that is an encodement of information that, preferably, relates to the respective printed sheet. Two or more such jackets can be bound together to provide an album.
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